Base escutcheon for post



FIG. 1 is a perspective view of a base escutcheon for post showing our new design;

FIG. 2 is a first side view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a second side view thereof; and,

FIG. 5 is a rear view thereof. 

The ornamental design for a base escutcheon for post, as shown and described. 